xref: /qemu/ui/spice-core.c (revision 258b2c42)
1 /*
2  * Copyright (C) 2010 Red Hat, Inc.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 or
7  * (at your option) version 3 of the License.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include <spice.h>
19 #include <spice-experimental.h>
20 
21 #include <netdb.h>
22 
23 #include "qemu-common.h"
24 #include "qemu-spice.h"
25 #include "qemu-thread.h"
26 #include "qemu-timer.h"
27 #include "qemu-queue.h"
28 #include "qemu-x509.h"
29 #include "qemu_socket.h"
30 #include "qmp-commands.h"
31 #include "qint.h"
32 #include "qbool.h"
33 #include "qstring.h"
34 #include "qjson.h"
35 #include "notify.h"
36 #include "migration.h"
37 #include "monitor.h"
38 #include "hw/hw.h"
39 
40 /* core bits */
41 
42 static SpiceServer *spice_server;
43 static Notifier migration_state;
44 static const char *auth = "spice";
45 static char *auth_passwd;
46 static time_t auth_expires = TIME_MAX;
47 int using_spice = 0;
48 
49 static QemuThread me;
50 
51 struct SpiceTimer {
52     QEMUTimer *timer;
53     QTAILQ_ENTRY(SpiceTimer) next;
54 };
55 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
56 
57 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
58 {
59     SpiceTimer *timer;
60 
61     timer = g_malloc0(sizeof(*timer));
62     timer->timer = qemu_new_timer_ms(rt_clock, func, opaque);
63     QTAILQ_INSERT_TAIL(&timers, timer, next);
64     return timer;
65 }
66 
67 static void timer_start(SpiceTimer *timer, uint32_t ms)
68 {
69     qemu_mod_timer(timer->timer, qemu_get_clock_ms(rt_clock) + ms);
70 }
71 
72 static void timer_cancel(SpiceTimer *timer)
73 {
74     qemu_del_timer(timer->timer);
75 }
76 
77 static void timer_remove(SpiceTimer *timer)
78 {
79     qemu_del_timer(timer->timer);
80     qemu_free_timer(timer->timer);
81     QTAILQ_REMOVE(&timers, timer, next);
82     g_free(timer);
83 }
84 
85 struct SpiceWatch {
86     int fd;
87     int event_mask;
88     SpiceWatchFunc func;
89     void *opaque;
90     QTAILQ_ENTRY(SpiceWatch) next;
91 };
92 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
93 
94 static void watch_read(void *opaque)
95 {
96     SpiceWatch *watch = opaque;
97     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
98 }
99 
100 static void watch_write(void *opaque)
101 {
102     SpiceWatch *watch = opaque;
103     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
104 }
105 
106 static void watch_update_mask(SpiceWatch *watch, int event_mask)
107 {
108     IOHandler *on_read = NULL;
109     IOHandler *on_write = NULL;
110 
111     watch->event_mask = event_mask;
112     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
113         on_read = watch_read;
114     }
115     if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
116         on_write = watch_write;
117     }
118     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
119 }
120 
121 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
122 {
123     SpiceWatch *watch;
124 
125     watch = g_malloc0(sizeof(*watch));
126     watch->fd     = fd;
127     watch->func   = func;
128     watch->opaque = opaque;
129     QTAILQ_INSERT_TAIL(&watches, watch, next);
130 
131     watch_update_mask(watch, event_mask);
132     return watch;
133 }
134 
135 static void watch_remove(SpiceWatch *watch)
136 {
137     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
138     QTAILQ_REMOVE(&watches, watch, next);
139     g_free(watch);
140 }
141 
142 #if SPICE_INTERFACE_CORE_MINOR >= 3
143 
144 typedef struct ChannelList ChannelList;
145 struct ChannelList {
146     SpiceChannelEventInfo *info;
147     QTAILQ_ENTRY(ChannelList) link;
148 };
149 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
150 
151 static void channel_list_add(SpiceChannelEventInfo *info)
152 {
153     ChannelList *item;
154 
155     item = g_malloc0(sizeof(*item));
156     item->info = info;
157     QTAILQ_INSERT_TAIL(&channel_list, item, link);
158 }
159 
160 static void channel_list_del(SpiceChannelEventInfo *info)
161 {
162     ChannelList *item;
163 
164     QTAILQ_FOREACH(item, &channel_list, link) {
165         if (item->info != info) {
166             continue;
167         }
168         QTAILQ_REMOVE(&channel_list, item, link);
169         g_free(item);
170         return;
171     }
172 }
173 
174 static void add_addr_info(QDict *dict, struct sockaddr *addr, int len)
175 {
176     char host[NI_MAXHOST], port[NI_MAXSERV];
177     const char *family;
178 
179     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
180                 NI_NUMERICHOST | NI_NUMERICSERV);
181     family = inet_strfamily(addr->sa_family);
182 
183     qdict_put(dict, "host", qstring_from_str(host));
184     qdict_put(dict, "port", qstring_from_str(port));
185     qdict_put(dict, "family", qstring_from_str(family));
186 }
187 
188 static void add_channel_info(QDict *dict, SpiceChannelEventInfo *info)
189 {
190     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
191 
192     qdict_put(dict, "connection-id", qint_from_int(info->connection_id));
193     qdict_put(dict, "channel-type", qint_from_int(info->type));
194     qdict_put(dict, "channel-id", qint_from_int(info->id));
195     qdict_put(dict, "tls", qbool_from_int(tls));
196 }
197 
198 static void channel_event(int event, SpiceChannelEventInfo *info)
199 {
200     static const int qevent[] = {
201         [ SPICE_CHANNEL_EVENT_CONNECTED    ] = QEVENT_SPICE_CONNECTED,
202         [ SPICE_CHANNEL_EVENT_INITIALIZED  ] = QEVENT_SPICE_INITIALIZED,
203         [ SPICE_CHANNEL_EVENT_DISCONNECTED ] = QEVENT_SPICE_DISCONNECTED,
204     };
205     QDict *server, *client;
206     QObject *data;
207 
208     /*
209      * Spice server might have called us from spice worker thread
210      * context (happens on display channel disconnects).  Spice should
211      * not do that.  It isn't that easy to fix it in spice and even
212      * when it is fixed we still should cover the already released
213      * spice versions.  So detect that we've been called from another
214      * thread and grab the iothread lock if so before calling qemu
215      * functions.
216      */
217     bool need_lock = !qemu_thread_is_self(&me);
218     if (need_lock) {
219         qemu_mutex_lock_iothread();
220     }
221 
222     client = qdict_new();
223     server = qdict_new();
224 
225 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT
226     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
227         add_addr_info(client, (struct sockaddr *)&info->paddr_ext,
228                       info->plen_ext);
229         add_addr_info(server, (struct sockaddr *)&info->laddr_ext,
230                       info->llen_ext);
231     } else {
232         fprintf(stderr, "spice: %s, extended address is expected\n",
233                         __func__);
234 #endif
235         add_addr_info(client, &info->paddr, info->plen);
236         add_addr_info(server, &info->laddr, info->llen);
237 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT
238     }
239 #endif
240 
241     if (event == SPICE_CHANNEL_EVENT_INITIALIZED) {
242         qdict_put(server, "auth", qstring_from_str(auth));
243         add_channel_info(client, info);
244         channel_list_add(info);
245     }
246     if (event == SPICE_CHANNEL_EVENT_DISCONNECTED) {
247         channel_list_del(info);
248     }
249 
250     data = qobject_from_jsonf("{ 'client': %p, 'server': %p }",
251                               QOBJECT(client), QOBJECT(server));
252     monitor_protocol_event(qevent[event], data);
253     qobject_decref(data);
254 
255     if (need_lock) {
256         qemu_mutex_unlock_iothread();
257     }
258 }
259 
260 #else /* SPICE_INTERFACE_CORE_MINOR >= 3 */
261 
262 static QList *channel_list_get(void)
263 {
264     return NULL;
265 }
266 
267 #endif /* SPICE_INTERFACE_CORE_MINOR >= 3 */
268 
269 static SpiceCoreInterface core_interface = {
270     .base.type          = SPICE_INTERFACE_CORE,
271     .base.description   = "qemu core services",
272     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
273     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
274 
275     .timer_add          = timer_add,
276     .timer_start        = timer_start,
277     .timer_cancel       = timer_cancel,
278     .timer_remove       = timer_remove,
279 
280     .watch_add          = watch_add,
281     .watch_update_mask  = watch_update_mask,
282     .watch_remove       = watch_remove,
283 
284 #if SPICE_INTERFACE_CORE_MINOR >= 3
285     .channel_event      = channel_event,
286 #endif
287 };
288 
289 #ifdef SPICE_INTERFACE_MIGRATION
290 typedef struct SpiceMigration {
291     SpiceMigrateInstance sin;
292     struct {
293         MonitorCompletion *cb;
294         void *opaque;
295     } connect_complete;
296 } SpiceMigration;
297 
298 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
299 
300 static const SpiceMigrateInterface migrate_interface = {
301     .base.type = SPICE_INTERFACE_MIGRATION,
302     .base.description = "migration",
303     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
304     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
305     .migrate_connect_complete = migrate_connect_complete_cb,
306     .migrate_end_complete = NULL,
307 };
308 
309 static SpiceMigration spice_migrate;
310 
311 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
312 {
313     SpiceMigration *sm = container_of(sin, SpiceMigration, sin);
314     if (sm->connect_complete.cb) {
315         sm->connect_complete.cb(sm->connect_complete.opaque, NULL);
316     }
317     sm->connect_complete.cb = NULL;
318 }
319 #endif
320 
321 /* config string parsing */
322 
323 static int name2enum(const char *string, const char *table[], int entries)
324 {
325     int i;
326 
327     if (string) {
328         for (i = 0; i < entries; i++) {
329             if (!table[i]) {
330                 continue;
331             }
332             if (strcmp(string, table[i]) != 0) {
333                 continue;
334             }
335             return i;
336         }
337     }
338     return -1;
339 }
340 
341 static int parse_name(const char *string, const char *optname,
342                       const char *table[], int entries)
343 {
344     int value = name2enum(string, table, entries);
345 
346     if (value != -1) {
347         return value;
348     }
349     fprintf(stderr, "spice: invalid %s: %s\n", optname, string);
350     exit(1);
351 }
352 
353 static const char *stream_video_names[] = {
354     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
355     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
356     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
357 };
358 #define parse_stream_video(_name) \
359     name2enum(_name, stream_video_names, ARRAY_SIZE(stream_video_names))
360 
361 static const char *compression_names[] = {
362     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
363     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
364     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
365     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
366     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
367     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
368 };
369 #define parse_compression(_name)                                        \
370     parse_name(_name, "image compression",                              \
371                compression_names, ARRAY_SIZE(compression_names))
372 
373 static const char *wan_compression_names[] = {
374     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
375     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
376     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
377 };
378 #define parse_wan_compression(_name)                                    \
379     parse_name(_name, "wan compression",                                \
380                wan_compression_names, ARRAY_SIZE(wan_compression_names))
381 
382 /* functions for the rest of qemu */
383 
384 static SpiceChannelList *qmp_query_spice_channels(void)
385 {
386     SpiceChannelList *cur_item = NULL, *head = NULL;
387     ChannelList *item;
388 
389     QTAILQ_FOREACH(item, &channel_list, link) {
390         SpiceChannelList *chan;
391         char host[NI_MAXHOST], port[NI_MAXSERV];
392         struct sockaddr *paddr;
393         socklen_t plen;
394 
395         chan = g_malloc0(sizeof(*chan));
396         chan->value = g_malloc0(sizeof(*chan->value));
397 
398 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT
399         if (item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
400             paddr = (struct sockaddr *)&item->info->paddr_ext;
401             plen = item->info->plen_ext;
402         } else {
403 #endif
404             paddr = &item->info->paddr;
405             plen = item->info->plen;
406 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT
407         }
408 #endif
409 
410         getnameinfo(paddr, plen,
411                     host, sizeof(host), port, sizeof(port),
412                     NI_NUMERICHOST | NI_NUMERICSERV);
413         chan->value->host = g_strdup(host);
414         chan->value->port = g_strdup(port);
415         chan->value->family = g_strdup(inet_strfamily(paddr->sa_family));
416 
417         chan->value->connection_id = item->info->connection_id;
418         chan->value->channel_type = item->info->type;
419         chan->value->channel_id = item->info->id;
420         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
421 
422        /* XXX: waiting for the qapi to support GSList */
423         if (!cur_item) {
424             head = cur_item = chan;
425         } else {
426             cur_item->next = chan;
427             cur_item = chan;
428         }
429     }
430 
431     return head;
432 }
433 
434 SpiceInfo *qmp_query_spice(Error **errp)
435 {
436     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
437     int port, tls_port;
438     const char *addr;
439     SpiceInfo *info;
440     char version_string[20]; /* 12 = |255.255.255\0| is the max */
441 
442     info = g_malloc0(sizeof(*info));
443 
444     if (!spice_server || !opts) {
445         info->enabled = false;
446         return info;
447     }
448 
449     info->enabled = true;
450 
451     addr = qemu_opt_get(opts, "addr");
452     port = qemu_opt_get_number(opts, "port", 0);
453     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
454 
455     info->has_auth = true;
456     info->auth = g_strdup(auth);
457 
458     info->has_host = true;
459     info->host = g_strdup(addr ? addr : "0.0.0.0");
460 
461     info->has_compiled_version = true;
462     snprintf(version_string, sizeof(version_string), "%d.%d.%d",
463              (SPICE_SERVER_VERSION & 0xff0000) >> 16,
464              (SPICE_SERVER_VERSION & 0xff00) >> 8,
465              SPICE_SERVER_VERSION & 0xff);
466     info->compiled_version = g_strdup(version_string);
467 
468     if (port) {
469         info->has_port = true;
470         info->port = port;
471     }
472     if (tls_port) {
473         info->has_tls_port = true;
474         info->tls_port = tls_port;
475     }
476 
477     /* for compatibility with the original command */
478     info->has_channels = true;
479     info->channels = qmp_query_spice_channels();
480 
481     return info;
482 }
483 
484 static void migration_state_notifier(Notifier *notifier, void *data)
485 {
486     MigrationState *s = data;
487 
488     if (migration_is_active(s)) {
489 #ifdef SPICE_INTERFACE_MIGRATION
490         spice_server_migrate_start(spice_server);
491 #endif
492     } else if (migration_has_finished(s)) {
493 #if SPICE_SERVER_VERSION >= 0x000701 /* 0.7.1 */
494 #ifndef SPICE_INTERFACE_MIGRATION
495         spice_server_migrate_switch(spice_server);
496 #else
497         spice_server_migrate_end(spice_server, true);
498     } else if (migration_has_failed(s)) {
499         spice_server_migrate_end(spice_server, false);
500 #endif
501 #endif
502     }
503 }
504 
505 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
506                             const char *subject,
507                             MonitorCompletion *cb, void *opaque)
508 {
509     int ret;
510 #ifdef SPICE_INTERFACE_MIGRATION
511     spice_migrate.connect_complete.cb = cb;
512     spice_migrate.connect_complete.opaque = opaque;
513     ret = spice_server_migrate_connect(spice_server, hostname,
514                                        port, tls_port, subject);
515 #else
516     ret = spice_server_migrate_info(spice_server, hostname,
517                                     port, tls_port, subject);
518     cb(opaque, NULL);
519 #endif
520     return ret;
521 }
522 
523 static int add_channel(const char *name, const char *value, void *opaque)
524 {
525     int security = 0;
526     int rc;
527 
528     if (strcmp(name, "tls-channel") == 0) {
529         security = SPICE_CHANNEL_SECURITY_SSL;
530     }
531     if (strcmp(name, "plaintext-channel") == 0) {
532         security = SPICE_CHANNEL_SECURITY_NONE;
533     }
534     if (security == 0) {
535         return 0;
536     }
537     if (strcmp(value, "default") == 0) {
538         rc = spice_server_set_channel_security(spice_server, NULL, security);
539     } else {
540         rc = spice_server_set_channel_security(spice_server, value, security);
541     }
542     if (rc != 0) {
543         fprintf(stderr, "spice: failed to set channel security for %s\n", value);
544         exit(1);
545     }
546     return 0;
547 }
548 
549 void qemu_spice_init(void)
550 {
551     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
552     const char *password, *str, *x509_dir, *addr,
553         *x509_key_password = NULL,
554         *x509_dh_file = NULL,
555         *tls_ciphers = NULL;
556     char *x509_key_file = NULL,
557         *x509_cert_file = NULL,
558         *x509_cacert_file = NULL;
559     int port, tls_port, len, addr_flags;
560     spice_image_compression_t compression;
561     spice_wan_compression_t wan_compr;
562 
563     qemu_thread_get_self(&me);
564 
565    if (!opts) {
566         return;
567     }
568     port = qemu_opt_get_number(opts, "port", 0);
569     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
570     if (!port && !tls_port) {
571         fprintf(stderr, "neither port nor tls-port specified for spice.");
572         exit(1);
573     }
574     if (port < 0 || port > 65535) {
575         fprintf(stderr, "spice port is out of range");
576         exit(1);
577     }
578     if (tls_port < 0 || tls_port > 65535) {
579         fprintf(stderr, "spice tls-port is out of range");
580         exit(1);
581     }
582     password = qemu_opt_get(opts, "password");
583 
584     if (tls_port) {
585         x509_dir = qemu_opt_get(opts, "x509-dir");
586         if (NULL == x509_dir) {
587             x509_dir = ".";
588         }
589         len = strlen(x509_dir) + 32;
590 
591         str = qemu_opt_get(opts, "x509-key-file");
592         if (str) {
593             x509_key_file = g_strdup(str);
594         } else {
595             x509_key_file = g_malloc(len);
596             snprintf(x509_key_file, len, "%s/%s", x509_dir, X509_SERVER_KEY_FILE);
597         }
598 
599         str = qemu_opt_get(opts, "x509-cert-file");
600         if (str) {
601             x509_cert_file = g_strdup(str);
602         } else {
603             x509_cert_file = g_malloc(len);
604             snprintf(x509_cert_file, len, "%s/%s", x509_dir, X509_SERVER_CERT_FILE);
605         }
606 
607         str = qemu_opt_get(opts, "x509-cacert-file");
608         if (str) {
609             x509_cacert_file = g_strdup(str);
610         } else {
611             x509_cacert_file = g_malloc(len);
612             snprintf(x509_cacert_file, len, "%s/%s", x509_dir, X509_CA_CERT_FILE);
613         }
614 
615         x509_key_password = qemu_opt_get(opts, "x509-key-password");
616         x509_dh_file = qemu_opt_get(opts, "x509-dh-file");
617         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
618     }
619 
620     addr = qemu_opt_get(opts, "addr");
621     addr_flags = 0;
622     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
623         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
624     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
625         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
626     }
627 
628     spice_server = spice_server_new();
629     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
630     if (port) {
631         spice_server_set_port(spice_server, port);
632     }
633     if (tls_port) {
634         spice_server_set_tls(spice_server, tls_port,
635                              x509_cacert_file,
636                              x509_cert_file,
637                              x509_key_file,
638                              x509_key_password,
639                              x509_dh_file,
640                              tls_ciphers);
641     }
642     if (password) {
643         spice_server_set_ticket(spice_server, password, 0, 0, 0);
644     }
645     if (qemu_opt_get_bool(opts, "sasl", 0)) {
646 #if SPICE_SERVER_VERSION >= 0x000900 /* 0.9.0 */
647         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
648             spice_server_set_sasl(spice_server, 1) == -1) {
649             fprintf(stderr, "spice: failed to enable sasl\n");
650             exit(1);
651         }
652 #else
653         fprintf(stderr, "spice: sasl is not available (spice >= 0.9 required)\n");
654         exit(1);
655 #endif
656     }
657     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
658         auth = "none";
659         spice_server_set_noauth(spice_server);
660     }
661 
662 #if SPICE_SERVER_VERSION >= 0x000801
663     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
664         spice_server_set_agent_copypaste(spice_server, false);
665     }
666 #endif
667 
668     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
669     str = qemu_opt_get(opts, "image-compression");
670     if (str) {
671         compression = parse_compression(str);
672     }
673     spice_server_set_image_compression(spice_server, compression);
674 
675     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
676     str = qemu_opt_get(opts, "jpeg-wan-compression");
677     if (str) {
678         wan_compr = parse_wan_compression(str);
679     }
680     spice_server_set_jpeg_compression(spice_server, wan_compr);
681 
682     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
683     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
684     if (str) {
685         wan_compr = parse_wan_compression(str);
686     }
687     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
688 
689     str = qemu_opt_get(opts, "streaming-video");
690     if (str) {
691         int streaming_video = parse_stream_video(str);
692         spice_server_set_streaming_video(spice_server, streaming_video);
693     }
694 
695     spice_server_set_agent_mouse
696         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
697     spice_server_set_playback_compression
698         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
699 
700     qemu_opt_foreach(opts, add_channel, NULL, 0);
701 
702     if (0 != spice_server_init(spice_server, &core_interface)) {
703         fprintf(stderr, "failed to initialize spice server");
704         exit(1);
705     };
706     using_spice = 1;
707 
708     migration_state.notify = migration_state_notifier;
709     add_migration_state_change_notifier(&migration_state);
710 #ifdef SPICE_INTERFACE_MIGRATION
711     spice_migrate.sin.base.sif = &migrate_interface.base;
712     spice_migrate.connect_complete.cb = NULL;
713     qemu_spice_add_interface(&spice_migrate.sin.base);
714 #endif
715 
716     qemu_spice_input_init();
717     qemu_spice_audio_init();
718 
719     g_free(x509_key_file);
720     g_free(x509_cert_file);
721     g_free(x509_cacert_file);
722 }
723 
724 int qemu_spice_add_interface(SpiceBaseInstance *sin)
725 {
726     if (!spice_server) {
727         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
728             fprintf(stderr, "Oops: spice configured but not active\n");
729             exit(1);
730         }
731         /*
732          * Create a spice server instance.
733          * It does *not* listen on the network.
734          * It handles QXL local rendering only.
735          *
736          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
737          */
738         spice_server = spice_server_new();
739         spice_server_init(spice_server, &core_interface);
740     }
741     return spice_server_add_interface(spice_server, sin);
742 }
743 
744 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
745 {
746     time_t lifetime, now = time(NULL);
747     char *passwd;
748 
749     if (now < auth_expires) {
750         passwd = auth_passwd;
751         lifetime = (auth_expires - now);
752         if (lifetime > INT_MAX) {
753             lifetime = INT_MAX;
754         }
755     } else {
756         passwd = NULL;
757         lifetime = 1;
758     }
759     return spice_server_set_ticket(spice_server, passwd, lifetime,
760                                    fail_if_conn, disconnect_if_conn);
761 }
762 
763 int qemu_spice_set_passwd(const char *passwd,
764                           bool fail_if_conn, bool disconnect_if_conn)
765 {
766     free(auth_passwd);
767     auth_passwd = strdup(passwd);
768     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
769 }
770 
771 int qemu_spice_set_pw_expire(time_t expires)
772 {
773     auth_expires = expires;
774     return qemu_spice_set_ticket(false, false);
775 }
776 
777 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
778 {
779 #if SPICE_SERVER_VERSION >= 0x000a01
780     if (tls) {
781         return spice_server_add_ssl_client(spice_server, csock, skipauth);
782     } else {
783         return spice_server_add_client(spice_server, csock, skipauth);
784     }
785 #else
786     return -1;
787 #endif
788 }
789 
790 static void spice_register_config(void)
791 {
792     qemu_add_opts(&qemu_spice_opts);
793 }
794 machine_init(spice_register_config);
795 
796 static void spice_register_types(void)
797 {
798     qemu_spice_init();
799 }
800 
801 type_init(spice_register_types)
802